list-transformer 1.0.3 → 1.0.4

raw patch · 2 files changed

+13/−4 lines, 2 filesdep +semigroupsPVP: major bump suggested

API removals or changes: PVP suggests a major version bump

Dependencies added: semigroups

API changes (from Hackage documentation)

Files

• list-transformer.cabal +4/−2
• src/List/Transformer.hs +9/−2

@@ -1,5 +1,5 @@ name:                list-transformer-version:             1.0.3+version:             1.0.4 synopsis:            List monad transformer description:         This library provides a list monad transformer that                      enriches lists with effects and streams efficiently in@@ -24,7 +24,9 @@   default-language:    Haskell2010   build-depends:       base >= 4.5 && < 5                      , mtl >= 2.1 && < 2.3-  ghc-options:         -Wall+  if !impl(ghc >= 8.0)+    build-depends:     semigroups == 0.18.*+  ghc-options:         -Wall -Wcompat  test-suite doctest   type: exitcode-stdio-1.0

@@ -215,6 +215,7 @@ import Control.Monad.State.Class (MonadState(..)) import Control.Monad.Reader.Class (MonadReader(..)) import Control.Monad.Trans (MonadTrans(..), MonadIO(..))+import Data.Semigroup (Semigroup(..)) import Prelude hiding (drop, pred, take, takeWhile, zip)  import qualified Data.Foldable@@ -302,9 +303,15 @@     fail _ = mzero #endif -instance (Monad m, Monoid a) => Monoid (ListT m a) where+instance (Monad m, Data.Semigroup.Semigroup a) => Data.Semigroup.Semigroup (ListT m a) where+    (<>) = liftA2 (<>)++instance (Monad m, Data.Semigroup.Semigroup a, Monoid a) => Monoid (ListT m a) where     mempty  = pure mempty-    mappend = liftA2 mappend++#if !(MIN_VERSION_base(4,11,0))+    mappend = (<>)+#endif  instance MonadIO m => MonadIO (ListT m) where     liftIO m = lift (liftIO m)